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Zn + 2 HCl = ZnCl2 + H2
MnSO4 + K2S = KMnSO4 + KS =>
MnSO4 + K2S = KMnSO4 + KS
SiO2 + MgCO3 + H2O = Mg3Si2O5(OH)4 + CO2 =>
2 SiO2 + 3 MgCO3 + 2 H2O = Mg3Si2O5(OH)4 + 3 CO2
Be + Fe2S3 = Fe + BeS =>
3 Be + Fe2S3 = 2 Fe + 3 BeS
N2O5 + SO2 = N2O3 + SO3 =>
N2O5 + 2 SO2 = N2O3 + 2 SO3
AlCl{3} + LiH = AlH{3} + LiCl =>
AlCl{3} + LiH = AlH{3} + LiCl
O = O1000000000 =>
1000000000 O = O1000000000
Pb304 + O = PbO =>
Pb304 + 304 O = 304 PbO
Sr(OH)2 + CuCl2 = SrCl2 + Cu(OH)2 =>
Sr(OH)2 + CuCl2 = SrCl2 + Cu(OH)2
Al(OH)3 + Na2O = NaAlO2 + H2O =>
2 Al(OH)3 + Na2O = 2 NaAlO2 + 3 H2O
CH3CO2Na + HCl = NaCl + CH3COOH =>
CH3CO2Na + HCl = NaCl + CH3COOH
BaO + Ca = CaO + Ba =>
BaO + Ca = CaO + Ba
K2SO3 + NaI = Na2SO3 + KI =>
K2SO3 + 2 NaI = Na2SO3 + 2 KI
LiOH + Pb(C2H3O2)2 = LiC2H3O2 + Pb(OH)2 =>
2 LiOH + Pb(C2H3O2)2 = 2 LiC2H3O2 + Pb(OH)2
CH3CH2COCH2CH2CH3 + H2O = CH3CH2COOH + CH3CH2CH2OH =>
2 CH3CH2COCH2CH2CH3 + 3 H2O = CH3CH2COOH + 3 CH3CH2CH2OH
Al + Ca(OH)2 + H2O = CaOAl2O36H2O + H2 =>
2 Al + Ca(OH)2 + 36 H2O = CaOAl2O36H2O + 36 H2
K + Ca = K1Ca =>
K + Ca = K1Ca
ReF6 + H2O = (ReO4){-} + HF + ReO2 + H{+} =>
3 ReF6 + 10 H2O = 2(ReO4){-} + 18 HF + ReO2 + 2 H{+}
Pb + NaOH + H2O = NaPb(OH)4 + H2 =>
2 Pb + 2 NaOH + 6 H2O = 2 NaPb(OH)4 + 3 H2
Mg + H2NO3SH = Mg(NSO3H)2 + H2 =>
Mg + 2 H2NO3SH = Mg(NSO3H)2 + 2 H2
Ca(OH)NO3 + NaHSO4 = H2O + CaNO3NaSO4 =>
Ca(OH)NO3 + NaHSO4 = H2O + CaNO3NaSO4
NaNO2 + KI + H2SO4 = NO + I2 + Na2S04 + K2SO4 + H2O =>
2 NaNO2 + 28 KI + 18 H2SO4 = 2 NO + 14 I2 + Na2S04 + 14 K2SO4 + 18 H2O
C3H8 + O72 = CO2 + H2O =>
36 C3H8 + 5 O72 = 108 CO2 + 144 H2O
Fe2 + CuSO4 = Cu + Fe(SO4) =>
Fe2 + 2 CuSO4 = 2 Cu + 2 Fe(SO4)
KI + Ca3P2 = CaI2 + K3P =>
6 KI + Ca3P2 = 3 CaI2 + 2 K3P
NH4OH + H3PO4 = [NH4]3PO4 + H2O =>
3 NH4OH + H3PO4 = [NH4]3PO4 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3OH = HCOH + H2 =>
CH3OH = HCOH + H2
Cl2 + KOH = KCl + KClO2 + H2O =>
2 Cl2 + 4 KOH = 3 KCl + KClO2 + 2 H2O
CuS + Zn = ZnS + Cu =>
CuS + Zn = ZnS + Cu
LiCl + NaOH = NaClLiOH =>
LiCl + NaOH = NaClLiOH
K2CrO4(aq) + NaI(aq) = Na2CrO4(aq) + KI(aq) =>
K2CrO4(aq) + 2 NaI(aq) = Na2CrO4(aq) + 2 KI(aq)
Be + Fe2S3 = Fe + BeS =>
3 Be + Fe2S3 = 2 Fe + 3 BeS
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C5H12O + C2H3ClO = C7H14O2 + HCl =>
C5H12O + C2H3ClO = C7H14O2 + HCl
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
Zn(NO3)2 + NH3 = ZnH2 + N(NO3)3 =>
3 Zn(NO3)2 + 2 NH3 = 3 ZnH2 + 2 N(NO3)3
SiO2 + MgCO3 + H2O = Mg3Si2O5(OH)4 + CO2 =>
2 SiO2 + 3 MgCO3 + 2 H2O = Mg3Si2O5(OH)4 + 3 CO2
Zn(NO3)2 + NH3 = Zn(NH3)2 + NO3 =>
Zn(NO3)2 + 2 NH3 = Zn(NH3)2 + 2 NO3
YCl3 + NaCl + NH4F = NaYF4 + NH4Cl =>
YCl3 + NaCl + 4 NH4F = NaYF4 + 4 NH4Cl
KMnO4 + HCl = Mn2Cl2 + Cl2 + KCl + H2O =>
2 KMnO4 + 16 HCl = Mn2Cl2 + 6 Cl2 + 2 KCl + 8 H2O
Zn(NO3)2 + NH3 = Zn(NH3)4(NO3)2 =>
Zn(NO3)2 + 4 NH3 = Zn(NH3)4(NO3)2
Cl2 + Al = AlCl3 =>
3 Cl2 + 2 Al = 2 AlCl3
Be + Fe2S3 = Fe + BeS =>
3 Be + Fe2S3 = 2 Fe + 3 BeS
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
Zn(NO3)2 + NH3 = ZnNH3 + NO3 =>
Zn(NO3)2 + NH3 = ZnNH3 + 2 NO3
F2CuO3 = CuF2O3 =>
F2CuO3 = CuF2O3
Al + KNO3 + KOH + H2O = NO + K3[Al(OH)6] =>
Al + KNO3 + 2 KOH + 2 H2O = NO + K3[Al(OH)6]
K3 + PO4 + MgCl2 = KCl + Mg3(PO4)2 =>
2 K3 + 2 PO4 + 3 MgCl2 = 6 KCl + Mg3(PO4)2
P4O10(s) + HNO3(aq) = N2O5(g) + HPO3(l) =>
P4O10(s) + 4 HNO3(aq) = 2 N2O5(g) + 4 HPO3(l)
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